Get socket options: bug fix: remove trailing zero in strin results
Get socket options: bug fix: remove trailing zero in strin results

jimenezrick/zmq4,jimenezrick/zmq4,Mustard-Systems-Ltd/zmq4,pebbe/zmq4,Mustard-Systems-Ltd/zmq4,pebbe/zmq4,jimenezrick/zmq4,Mustard-Systems-Ltd/zmq4